Horseshoe-toe-calk machine



Patented Jan. 24, I899.

J. T. 'VARNEY.

HBRSESHOE TOE GALK MACHINE.

(Application filed Apr. 17, 1897.)

(No Model.)

iPfjESSEEL CM Q. 26%

as co worou'mm. wAsnwGYcn n c NrTnD STATES PATENT OFFICE.

JOSEPH T. VARNEY, OF LYNN, MASSACHUSETTS, ASSIGNOR TO THE SUPERIOR TOE-OALK COMPANY, OF MAINE.

HORSESHOE-TOE-CALK MACHINE.

SPECIFICATION forming-part of Letters Patent No. 618,150, dated January 24, 1899.

Application filed April 1'7, 1897. Serial No. 632,612. (No model.)

To aZZ whom it may concern.-

Be it known that I, JOSEPH T. VARNEY, of

7 Lynn, in the county of Essex and State of Massachusetts, have invented certain new and useful Improvements in Horseshoe-Toe- Oalk-Making Machines, of which the following is a description sufficiently full, clear, and exact to enable those skilled in the art to which it appertains or with which it is most nearly connected to make and use the same.

This invention has relation to machines for making horseshoe-toe-calk blanks and giving initial form thereto to adapt them to be welded upon horseshoes.

It is the object of the invention to provide certain improvements upon the machines shown, described, and claimed in an application filed by me October 16, 1896, Serial No. 609,168, the said improvements having reference to the forming of the spur upon the blank and to the holding of the blank while the spur is being formed.

To these ends the invention consists of a machine of the kind described characterized, first, by reciprocating hammers which act upon the blank laterally in order to forge out therefrom a portion of the metal out of which the spur is to be made and means, as will be set forth, for acting upon the said hammers, whereby one is caused to act a plurality of times upon the blank and at each successive time to a greater degree of depth than the preceding time, while the other at each action is brought up against the opposite side of the blank to act as an abutment or support upon that side; second, by improved means for acting upon the end of the spur to roll it down, whereby the said means are not only simplified, saving room in the machine, but a better action is had upon the front of the spur; third, by improved means for acting upon the blank to hold it-in position upon the anvil while the spur is being formed and to keep the anvil securely in its place, and, fourth, by improvements of greater or less importance having reference to the foregoing, all as I will proceed to fully set forth hereinafter.

Reference is to be had to the annexed drawings and to the letters and numerals marked thereon, forming a part of this specification,

the same letters and numerals designating the same parts or features, as the case may be, wherever they occur.

Of the drawings, Figure 1 is a sectional view through the machine from side to side. Fig. 2 is a transverse sectionalview of the same machine. Fig. 3 is a detail view showin g the manner in which the hammers act laterally upon the blank and also the end of the anvil and the holder on the top of the blank. Fig. 4 is a detail side view showing the forward part of the blank upon the anvil, the holder on the top of the same, and the roller or wiper for rolling or wiping down the spur upon the end of the anvil. Fig. 5 is a perspective view of a toe-call: formed by the machine. Fig. 6 is an inside face view of the hammer which acts to forge out the metal from the blank from which the spur is made.

In the drawings, a designates the frame of the machine. I) is the anvil,supported thereon and held laterally in place by abutting at one side against a stationary part of the frame and at the other side by the head 0 of a bolt set or turned into the frame.

d is the holder for acting upon the top of the front portion of the blank when it is fed into position on the anvil, the said holder being corrugated in its lower face, as at 6, (see Fig. 4,) and adjustable by means of set-bolts, as shown, or it may be by any other suitable means, in the forward end of the lever f, by which the holder is actuated. The said lever is operated upon its fulcrum in one direction by a cam g and in the opposite direction by a spring h, as will be understood without further description.

t' is the reciprocating hammer, (shown detached in Fig. 6,) which acts laterally upon the blank to forge out the metal for the making of the spur j, the said hammer being secured to a lever is, fulcrumed at its lower end and provided on its upper end with an adjustable antifriction-roller Z, which rests upon a cam m, having graduated swells 1, 2, and 3, the second higher or projecting farther from the cams axis than the first and the third higher than the second, so that by the successive actions of the said hammer qlthe material for the spur j will be gradually forged out.

n is the abutting hammer cooperating with the hammer '11, connected with the lever o, fulcrumed at its lower end and provided at its upper end with an adjustable antifrictionroller 19, which is acted upon by a cam q, having projections or swells 1, 2, and 3 of the same height or extension.

Both levers 7t and 0 are drawn backward or held so as to be acted upon by their respective operating-cams by springs m and q. The hammers 2 and n act simultaneously, as is indicated in Fig. 3. The latter hammer, however, does not make an indentation in the toecalk blank, but merely serves as an abutment or anvil upon the latter while the hammer i does its work.

Both levers 7.; and o are pivoted at their lower ends, while the power is applied to the upper ends of said levers, the axes of the cams m; and being substantially in the same horizontal plane with the hammers 2' and n. This permits of the greatest amount of power being applied to the hammers and also does away with all vibrations of the levers, since the power is applied to the levers almost directly behind the hammers.

The hammer 2' is cut awayfrom its face inward, as at 1 so that it may not act'upon the material forming the toe-calk blank beyond what is necessary to form the spur. (See Figs. 3 and 6.) A block 77/ is secured to the top of the hammer n to render it, as it were, thicker and support the toe-calk blank along its side and assist in preventing the said hammer n in its action from sinking or cutting into the said blank.

7' is a wiper-roll mounted on the inner end of a lever 8, having an adjustable arm 23 connected therewith, which arm is provided with an antifriction-roll u, bearing and acted upon by a cam Another antifriction-roll w, journaled in the lever, bears upon the cam an. The said arm tis mounted on the pivot of the lever s, and one end of the arm is provided with a slot through which a securing-bolt passes into the lever s. This construction enables the roll it to be adjusted with reference to the cam t to insure the operation of the two sets of cams and rolls without lost motion. The actuating-cams t' and a: cause the wiper-roll r to actpositively on the spur in both directions of the travel of said roll. A spring y is connected with the arm of the lever opposite that to which the wiper-roll r is secured to assist in holding the lever in position to be operated upon by its aforesaid actuating-cams, which are such as to depress the inner end of the lever s between the first and second and between the second and third strokes of the hammers and cause the wiper-roll r to act on the front end of the spur (see Fig. 4) and roll it down against the end of the anvil, rounding, smoothing down, and finishing the end face of the spur, as shown in Fig. 5.

transversely of the toe-call: blank, as described, so as to hold the same firmly against being pushed back by the action of the wiper r and to hold the anvil against a tendency to be tripped up by the same action.

By the employment of the roll r on a vibratory lever, as explained, rather than on a revolving shaft space is saved in the machine and the ends of economy and efficiency are better subserved.

The cutting off and kicking out of the blank may be as shown and described in my aforesaid pending application.

What I claim as my invention is 1. In a machine for making horseshoe toecalks, the combination with an anvil and clamp for the blank, of a pair of levers pivoted at their lower ends each having a hammer at its upper end, a disk for each hammer and having its axis substantially in the horizontal plane of the hammer, each of said disks having a plurality of actuating-cams adapted to operate upon its respective lever near its upper end, the cams of one disk being of uniform height, and the cams of the other disk being of gradually-increasing height.

2. In a machine for making horseshoe toecalks, the combination with an anvil and clamp for the blank, of a pair of levers pivoted at their lower ends each having a hammer at its upper end, a disk for each hammer and having its axis substantially in the horizontal plane of the hammer, each of said disks having a plurality of actuating-cams adapted to operate upon its respective lever near its upper end,the cams of one disk being of uniform height, and the cams of the other disk being of gradually-increasing height, a lever carrying a wiper-roll for forming a spur on the blank, and cams for positively operating the last-mentioned lever.

3. In a machine for making horseshoe toecalks, the combination with an anvil and clamp for the blank, of a pair of laterallymovable hammers, a disk for each hammer and having a plurality of actuating-cams adapted to simultaneously operate on the blank, a lever carrying a wiper-roll for forming a spur on the blank, antifriction-rolls carried by such lever, one of said rolls being adjustably secured to the lever, and cams acting on said rolls for positively operating the wiper-roll lever in both directions.

In testimony whereof I have signed my name to this specification, in the presence of two subscribing witnesses, this 12th day of April, A. D. 1897.

JOSEPH T. VARNEY. 

